OS National Grid
E486591
OS National Grid is the national coordinate reference system used in Great Britain for accurately mapping and locating geographic features.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
coordinate reference system
ⓘ
national grid reference system ⓘ |
| alsoKnownAs |
British National Grid
NERFINISHED
ⓘ
OSGB36 National Grid NERFINISHED ⓘ |
| axisOrientation | eastings-northings ⓘ |
| coordinateFormat |
alphanumeric grid reference
ⓘ
eastings and northings ⓘ |
| coordinateUnits | metres ⓘ |
| country | Great Britain NERFINISHED ⓘ |
| covers |
Great Britain mainland
ⓘ
Isle of Wight NERFINISHED ⓘ Scottish islands ⓘ |
| datum | OSGB36 NERFINISHED ⓘ |
| ellipsoid | Airy 1830 NERFINISHED ⓘ |
| excludes |
Channel Islands
NERFINISHED
ⓘ
Isle of Man NERFINISHED ⓘ Northern Ireland NERFINISHED ⓘ |
| gridSquareLabeling | two-letter prefixes ⓘ |
| hasEPSGCode | 27700 ⓘ |
| hasTransformationTo | WGS84 NERFINISHED ⓘ |
| maintainedBy | Ordnance Survey NERFINISHED ⓘ |
| mapProjection | Transverse Mercator NERFINISHED ⓘ |
| projectionType | conformal projection ⓘ |
| purpose |
geospatial referencing
ⓘ
land surveying ⓘ navigation ⓘ topographic mapping ⓘ |
| referenceMeridian | Greenwich meridian NERFINISHED ⓘ |
| region | United Kingdom ⓘ |
| replaced | Cassini grid NERFINISHED ⓘ |
| spatialReferenceType | projected coordinate system ⓘ |
| timeOfIntroduction | mid 20th century ⓘ |
| typicalPrecisionLevels |
1 km grid reference
ⓘ
1 m grid reference ⓘ 10 m grid reference ⓘ 100 m grid reference ⓘ |
| usedBy |
UK government agencies
NERFINISHED
ⓘ
local authorities in Great Britain ⓘ mapping and GIS professionals in Great Britain ⓘ |
| usedFor |
Ordnance Survey digital mapping products
ⓘ
Ordnance Survey paper maps ⓘ emergency services location referencing in Great Britain ⓘ environmental monitoring in Great Britain ⓘ infrastructure planning in Great Britain ⓘ |
| usedIn |
England
NERFINISHED
ⓘ
Scotland NERFINISHED ⓘ Wales NERFINISHED ⓘ |
| zoneSystem | 100 km grid squares ⓘ |
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
Ordnance Survey National Grid